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CaritaDeAngel Group Title

What Is The Value Of n So That The Expression X² + 12 x + n Is A Perfect Square Trinomial ? ( 1 Point ) A . 36 B . 36 C . 72 D . 144

  • one year ago
  • one year ago

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  1. ParthKohli Group Title
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    HINT: \[x^2 + 6x + 6x + n\]

    • one year ago
  2. ParthKohli Group Title
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    \[x(x + 6) + 6(x + \cdots)\]

    • one year ago
  3. ParthKohli Group Title
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    What do you think? @CaritaDeAngel

    • one year ago
  4. CaritaDeAngel Group Title
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    I'm Not So Sure Still

    • one year ago
  5. ParthKohli Group Title
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    Do you know that if you have a perfect square polynomial, then you must separate the middle term into the two same numbers.

    • one year ago
  6. ParthKohli Group Title
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    Here, \(12 x = 6x + 6x\).

    • one year ago
  7. skullpatrol Group Title
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    $$a^2 +2ab+b^2 = (a+b)^2$$ $$x² + 12 x + n$$

    • one year ago
  8. ParthKohli Group Title
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    Now factor the first two terms: \(x^2 + 6x = x(x + 6)\)

    • one year ago
  9. CaritaDeAngel Group Title
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    Is It D ?

    • one year ago
  10. ParthKohli Group Title
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    \[(x + a)^2 = x^2 + 2ax + a^2\]\(12x= 2ax\)

    • one year ago
  11. skullpatrol Group Title
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    Why do both A and B have the same answer @CaritaDeAngel ?

    • one year ago
  12. ParthKohli Group Title
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    How do you think it is D? Can you explain?

    • one year ago
  13. CaritaDeAngel Group Title
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    Oops A Is Actually Supposed To Be 6

    • one year ago
  14. CaritaDeAngel Group Title
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    Sorry My Mistake I Didn't See That

    • one year ago
  15. skullpatrol Group Title
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    No problem :)

    • one year ago
  16. CaritaDeAngel Group Title
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    I'll Re-Type The Answer Choices Again In Case You Get Confused A . 6 B . 36 C . 72 D . 144

    • one year ago
  17. skullpatrol Group Title
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    |dw:1362059808210:dw|

    • one year ago
  18. CaritaDeAngel Group Title
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    Is This Supposed To Be A Graph ?

    • one year ago
  19. CaritaDeAngel Group Title
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    Or Just The Numbers ?

    • one year ago
  20. skullpatrol Group Title
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    |dw:1362059930311:dw|

    • one year ago
  21. skullpatrol Group Title
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    |dw:1362059990294:dw|

    • one year ago
  22. CaritaDeAngel Group Title
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    I Think It's D But I Know I'm Not Sure

    • one year ago
  23. skullpatrol Group Title
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    |dw:1362060112145:dw|

    • one year ago
  24. skullpatrol Group Title
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    |dw:1362060295839:dw|

    • one year ago
  25. CaritaDeAngel Group Title
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    Ok . Is It B ?

    • one year ago
  26. skullpatrol Group Title
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    Correct. $$6^2=36=n$$

    • one year ago
  27. CaritaDeAngel Group Title
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    Oh Ok Thank You

    • one year ago
  28. skullpatrol Group Title
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    np :)

    • one year ago
  29. CaritaDeAngel Group Title
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    I Have One More Question

    • one year ago
  30. CaritaDeAngel Group Title
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    A Rocket Is Launched From Atop A 105-foot Cliff With An Initial Velocity Of 156 ft/s . The Height Of The Rocket Above The Ground At Time t Is Given By h = –16t2 + 156t + 105 . When Will The Rocket Hit The Ground After It Is Launched ? Round To The Nearest Tenth Of A Second . (1 point)

    • one year ago
  31. CaritaDeAngel Group Title
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    A . 4.9 s B . 9.8 s C . 0.6 s D . 10.4 s

    • one year ago
  32. CaritaDeAngel Group Title
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    I'm Guessing It's D

    • one year ago
  33. CaritaDeAngel Group Title
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    Oh I Just Sent My Work . OMG I Got A 100 % !

    • one year ago
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